Bug 1518509
| Summary: | Numa aware ksm state in file /sys/kernel/mm/ksm/merge_across_nodes always remains 1 | ||||||
|---|---|---|---|---|---|---|---|
| Product: | [oVirt] ovirt-engine | Reporter: | Polina <pagranat> | ||||
| Component: | BLL.Virt | Assignee: | Martin Sivák <msivak> | ||||
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Polina <pagranat> | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | high | ||||||
| Version: | 4.2.0 | CC: | akrejcir, bugs, danken, msivak, sigbjorn, tjelinek | ||||
| Target Milestone: | ovirt-4.2.1 | Keywords: | Regression, ZStream | ||||
| Target Release: | --- | Flags: | msivak:
ovirt-4.1?
rule-engine: ovirt-4.2? rule-engine: blocker+ pagranat: planning_ack? rule-engine: devel_ack+ rule-engine: testing_ack+ |
||||
| Hardware: | x86_64 | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | |||||||
| : | 1556873 (view as bug list) | Environment: | |||||
| Last Closed: | 2018-02-12 11:50:06 UTC | Type: | Bug | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | SLA | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Bug Depends On: | |||||||
| Bug Blocks: | 1556873 | ||||||
| Attachments: |
|
||||||
This bug report has Keywords: Regression or TestBlocker. Since no regressions or test blockers are allowed between releases, it is also being identified as a blocker for this release. Please resolve ASAP. verified in rhv-release-4.2.1-1-001.noarch compute-ge-3 environment This bugzilla is included in oVirt 4.2.1 release, published on Feb 12th 2018. Since the problem described in this bug report should be resolved in oVirt 4.2.1 release, it has been closed with a resolution of CURRENT RELEASE. If the solution does not work for you, please open a new bug report. Martin, let's consider backporting to 4.1. |
Created attachment 1360170 [details] engine and vdsm logs attached Description of problem: Numa aware ksm state in file /sys/kernel/mm/ksm/merge_across_nodes is not affected by changing settings of Cluster (KSM per each NUMA nodes or KSM share NUMA nodes) Version-Release number of selected component (if applicable): rhvm-4.2.0-0.5.master.el7.noarch How reproducible: 100 % Steps to Reproduce: 1.Set cluster with with NUMA aware KSM policy = KSM share NUMA nodes 2.Put active host to maintenance 3.Set cluster with with NUMA aware KSM policy = KSM per each NUMA nodes 4.Activate host Actual results: On each Host of the cluster file /sys/kernel/mm/ksm/merge_across_nodes always contains 1 Expected results: On each Host of the cluster file /sys/kernel/mm/ksm/merge_across_nodes contains 0 Additional info: it is regression from 4.1